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Copper City Mine

Past Producer in Broadwater county in Montana, United States with commodities Copper, Gold, Silver
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10019255
MRDS ID DC09235
Record type Site
Current site name Copper City Mine

Geographic coordinates

Geographic coordinates: -111.54252, 45.98184 (WGS84)
Relative position 6 MILES NORTH OF THREE FORKS

Site location context

Political divisions (FIPS codes)

Broadwater(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Three Forks(quadrangle 1:24,000 scale)

Bozeman(quadrangle 1:100,000 scale)

Bozeman(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Jefferson(hydrologic unit)

Missouri Headwaters(hydrologic accounting unit)

Missouri Headwaters(hydrologic subregion)

Missouri(hydrologic region)

Geographic areas

Country State County
United States Montana Broadwater

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 003N 001E 25,26 Montana

Comments on the location information

  • MINE IS NEAR HEAD OF INTERMITTANT TRIBUTARY RUNNING INTO AND NORTH OF MUD SPRING GULCH.

Commodities

Commodity Importance
Copper Primary
Gold Tertiary
Silver Tertiary

Materials information

Materials Type of material
Chalcocite Gangue
Chrysocolla Gangue
Malachite Gangue

Alteration

  • (Local) Locally, The Limestone Is Altered To Calc-Silicate.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Mississippian
    Stratigraphic age (youngest) Mississippian
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Madison Group Limestone (Lodge Pole)
    Rock description Madison Group Limestone (Lodge Pole)

Nearby scientific data

(1) -111.54252, 45.98184
ListMap

Economic information

Ore body information

  • Strike N88E
    Dip 83N
    Thickness 1.52M

Controls for ore emplacement

  • Shear Zone

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Significant No

Mining district

District name Copper City

Reference information

Bibliographic references

  • Deposit

    STOUT, KS, AND ACKERMAN, WC, 1959, MONT. B.M. AND GEOL. BULL. 10, P. 7.

  • Deposit

    ROBINSON, G, 1963, GEOL. OF THE THREE FORKS QUAD, MONT., USGS PROF. PAP. 370 P. 122

  • Deposit

    REED, GC, 1951, MINES AND MINERALS, BROADWATER CO., MONT, USBM INF. CIRC. 7592, P. 53.

  • Deposit

    CONSV. DIV. COMP. DATE, 03-08-1961

  • Deposit

    1963 GEOLMAP ROBINSON, PROF. PAP. 37

General comments

Subject category Comment text
Deposit THE SHEAR ZONE IN SEC 26 IS DESCRIBED ABOVE IN SEC 25 THE ZONE TRENDS N60W.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1974 Unknown U.S. Geological Survey
Updater 01-MAR-1980 Doyle, Brien (Wells, John) U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Maps centered on this site